<!DOCTYPE html>
<html>
<head>
    <title>多人在线游戏</title>
    <style>
        body { margin: 0; }
        canvas { display: block;background-color: black; }
    </style>
</head>
<body>
    <canvas id="gameCanvas"></canvas>
    <script src="/socket.io/socket.io.js"></script> <script src="game.js"></script>
</body>
</html>